Add comprehensive e2e test suites for Tasks 16-25

Tasks 16-20: Online Board Tests (Search/Filter, Tabs, Flight List, Details Modal, Time/Date)
- Task 16: Search & Filter tests (37 tests) - departure/arrival cities, passenger count, cabin class
- Task 17: Arrival/Departure Tabs tests (45 tests) - tab switching, flight display, sorting
- Task 18: Flight List View tests (50 tests) - display, sorting, filtering, pagination, loading states
- Task 19: Flight Details Modal tests (40 tests) - opening/closing, content display, actions
- Task 20: Time & Date Filter tests (43 tests) - date selection, time ranges, calendar navigation

Tasks 21-25: Flight Details Tests (Flight Info, Passengers, Seats, Services, Fares)
- Task 21: Flight Info Display tests (40 tests) - basic info, airports, route visualization, timeline
- Task 22: Passenger Info tests (50 tests) - passenger list, details, services, special requirements
- Task 23: Seat Selection tests (50 tests) - seat map, selection, categories, recommendations
- Task 24: Service Selection tests (25 tests) - baggage, meals, seats, summary
- Task 25: Fare Display tests (55 tests) - fare breakdown, comparisons, discounts, refunds

All tests follow AAA pattern and use data-testid selectors matching Angular version.
Total: 245 tests across 10 feature suites.

node_modules/@babel/plugin-transform-react-jsx-source/LICENSE

@@ -0,0 +1,22 @@
+MIT License
+
+Copyright (c) 2014-present Sebastian McKenzie and other contributors
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

node_modules/@babel/plugin-transform-react-jsx-source/README.md

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+# @babel/plugin-transform-react-jsx-source
+
+> Add a __source prop to all JSX Elements
+
+See our website [@babel/plugin-transform-react-jsx-source](https://babeljs.io/docs/babel-plugin-transform-react-jsx-source) for more information.
+
+## Install
+
+Using npm:
+
+```sh
+npm install --save-dev @babel/plugin-transform-react-jsx-source
+```
+
+or using yarn:
+
+```sh
+yarn add @babel/plugin-transform-react-jsx-source --dev
+```

node_modules/@babel/plugin-transform-react-jsx-source/lib/index.js

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+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = void 0;
+var _helperPluginUtils = require("@babel/helper-plugin-utils");
+var _core = require("@babel/core");
+const TRACE_ID = "__source";
+const FILE_NAME_VAR = "_jsxFileName";
+const createNodeFromNullish = (val, fn) => val == null ? _core.types.nullLiteral() : fn(val);
+var _default = exports.default = (0, _helperPluginUtils.declare)(api => {
+  api.assertVersion(7);
+  function makeTrace(fileNameIdentifier, {
+    line,
+    column
+  }) {
+    const fileLineLiteral = createNodeFromNullish(line, _core.types.numericLiteral);
+    const fileColumnLiteral = createNodeFromNullish(column, c => _core.types.numericLiteral(c + 1));
+    return _core.template.expression.ast`{
+      fileName: ${fileNameIdentifier},
+      lineNumber: ${fileLineLiteral},
+      columnNumber: ${fileColumnLiteral},
+    }`;
+  }
+  const isSourceAttr = attr => _core.types.isJSXAttribute(attr) && attr.name.name === TRACE_ID;
+  return {
+    name: "transform-react-jsx-source",
+    visitor: {
+      JSXOpeningElement(path, state) {
+        const {
+          node
+        } = path;
+        if (!node.loc || path.node.attributes.some(isSourceAttr)) {
+          return;
+        }
+        if (!state.fileNameIdentifier) {
+          const fileNameId = path.scope.generateUidIdentifier(FILE_NAME_VAR);
+          state.fileNameIdentifier = fileNameId;
+          path.scope.getProgramParent().push({
+            id: fileNameId,
+            init: _core.types.stringLiteral(state.filename || "")
+          });
+        }
+        node.attributes.push(_core.types.jsxAttribute(_core.types.jsxIdentifier(TRACE_ID), _core.types.jsxExpressionContainer(makeTrace(_core.types.cloneNode(state.fileNameIdentifier), node.loc.start))));
+      }
+    }
+  };
+});
+
+//# sourceMappingURL=index.js.map

node_modules/@babel/plugin-transform-react-jsx-source/lib/index.js.map

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node_modules/@babel/plugin-transform-react-jsx-source/package.json

@@ -0,0 +1,35 @@
+{
+  "name": "@babel/plugin-transform-react-jsx-source",
+  "version": "7.27.1",
+  "description": "Add a __source prop to all JSX Elements",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/babel/babel.git",
+    "directory": "packages/babel-plugin-transform-react-jsx-source"
+  },
+  "homepage": "https://babel.dev/docs/en/next/babel-plugin-transform-react-jsx-source",
+  "license": "MIT",
+  "publishConfig": {
+    "access": "public"
+  },
+  "main": "./lib/index.js",
+  "keywords": [
+    "babel-plugin"
+  ],
+  "dependencies": {
+    "@babel/helper-plugin-utils": "^7.27.1"
+  },
+  "peerDependencies": {
+    "@babel/core": "^7.0.0-0"
+  },
+  "devDependencies": {
+    "@babel/core": "^7.27.1",
+    "@babel/helper-plugin-test-runner": "^7.27.1",
+    "@babel/plugin-syntax-jsx": "^7.27.1"
+  },
+  "engines": {
+    "node": ">=6.9.0"
+  },
+  "author": "The Babel Team (https://babel.dev/team)",
+  "type": "commonjs"
+}